HELI-COIL 7/16"-20 UNF General Purpose STI Tap, H3 / 3B, Plug Chamfer, 4 Flute
The HELI-COIL Screw Thread Insert STI Tap (Straight Flute, MPN 7FPB) is a general-purpose tap for 7/16"-20 UNF threads, with H3 / 3B tolerance and a plug chamfer. It features 4 flutes and is designed for installing…
SKU 3G-OTH-262157
Also listed as: 7 FPB · 7-FPB
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The HELI-COIL Screw Thread Insert STI Tap (Straight Flute, MPN 7FPB) is a general-purpose tap for 7/16"-20 UNF threads, with H3 / 3B tolerance and a plug chamfer. It features 4 flutes and is designed for installing HELI-COIL screw thread inserts.
Frequently Asked Questions
What is a HELI-COIL STI tap used for?
A HELI-COIL STI tap cuts threads for installing screw thread inserts, commonly used to repair or strengthen threads in aluminum, cast iron, and other materials. It is designed for general-purpose tapping with a plug chamfer and 4-flute geometry for efficient chip evacuation.
What are the specifications of the HELI-COIL 7FPB STI tap?
The HELI-COIL 7FPB is a straight-flute STI tap with 7/16"-20 UNF thread, H3 / 3B tolerance, 4 flutes, and a plug chamfer. It is designed for general-purpose use and manufactured by HELI-COIL under part number 7FPB.
Where to buy HELI-COIL STI taps worldwide?
3G Electric supplies HELI-COIL STI taps like the 7FPB to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other industrial tooling needs.
How to select the correct STI tap for a thread insert?
Select an STI tap that matches the insert's thread size and pitch, such as 7/16"-20 UNF. Use a tap with the correct tolerance class (e.g., H3 / 3B) and chamfer type (plug for through or blind holes). Always follow the insert manufacturer's recommendations for hole size and depth.
Used in
Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
